The least expensive chemical? You can use water you know, Mold is typically water-soluble and can be used on a cloth to wipe it off, without soaking the shingles. You do not really need chemical compounds to get rid of the mold.
Asphalt shingles typically last between and 15 and 30 years. It varies depending on the quality of your asphalt shingles
form_title= Asphalt Shingles form_header= Put a new roof on your home with asphalt shingles. What color shingles do you need? *= _ [50] What size shingles do you need?*= _ [50] Are you replacing a whole roof?*= () Yes () No How old is the roof?*= _ [50]
26 shingles in a bundle of three tab asphalt shingles
or fiberglass ? Depends where you live, determines what shingles to use.
There are two types of asphalt shingles: fibre-glass and paper, though paper are less common due to being a fire hazard. Alternatives include wood, slate and asbestos-cement, though again the latter has proven to be a health hazard and is no longer used.
everything burns.
Depends on the shingle. Is it a 25 year or fifty year. Asphalt or fiberglass?
Yes.
All shingles fade after time
Perhaps, but not guaranteed. Tile is generally much heavier than asphalt or "composition" shingles. If you're concerned, have a roofing contractor to evaluate your roof.
An inexperienced handyman.
Most asphalt shingles have a strict nailing schedule so the shingles are secure but don't leak. I have included a link to an illustration for an asphalt shingle nailing schedule below.